# Do I need to install software to split a PDF by bookmarks?

_Updated July 2026 · Arthize · https://arthize.com/answers/install-split-by-bookmark_

No. You split a PDF by bookmarks entirely in the browser — there is nothing to download or install. Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically.

## Answer

No. You split a PDF by bookmarks entirely in the browser — there is nothing to download or install. Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically.

## More about split pdf by bookmark

Splitting by bookmark uses the document's own structure to define the cuts.

It saves counting page ranges for chaptered documents.

Each section becomes its own file.

## How to split a PDF by bookmarks

1. **Open the split tool** — Sign in and open the Split tool.
2. **Add your PDF** — Upload a bookmarked document.
3. **Split by bookmark** — Arthize cuts the file at each top-level bookmark.
4. **Download** — Get one file per section.

## FAQ

### How do I split a PDF by its bookmarks?

Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. On Arthize it's free with no watermark and processed privately.

### Can I get one file per chapter automatically?

Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. On Arthize it's free with no watermark and processed privately.

### Is split-by-bookmark free?

Splitting by bookmark divides a document at its chapter or section markers, producing one file per bookmarked section automatically. On Arthize it's free with no watermark and processed privately.